
2.В коробке синие, красные и зелёные карандаши – всего 20 штук. Синих карандашей в 6 раз больше,
чем зеленых. Красных карандашей меньше, чем синих. Сколько красных карандашей?

Ответы на вопрос

синих-12шт
красных-6шт
всего-20шт



Problem Analysis
We are given a box containing blue, red, and green pencils. The total number of pencils in the box is 20. The number of blue pencils is 6 times greater than the number of green pencils. The number of red pencils is less than the number of blue pencils. We need to determine the number of red pencils in the box.
Solution
Let's assume the number of green pencils is x. According to the given information, the number of blue pencils is 6 times greater than the number of green pencils, so the number of blue pencils is 6x. The number of red pencils is less than the number of blue pencils, so the number of red pencils is less than 6x.
We know that the total number of pencils in the box is 20. Therefore, we can write the equation:
x + 6x + red pencils = 20
Simplifying the equation, we get:
7x + red pencils = 20
Since we need to find the number of red pencils, we can rewrite the equation as:
red pencils = 20 - 7x
Now we can substitute the value of x into the equation to find the number of red pencils.
Calculation
Let's calculate the number of red pencils using the equation red pencils = 20 - 7x.
From the given information, we don't have the exact value of x. Therefore, we cannot determine the exact number of red pencils without additional information.
Please provide the value of x or any additional information to solve the problem accurately.


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